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Rube Goldberg Machine

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Uploaded on Jan 23, 2008

This is a Rube Goldberg machine built by my senior physics class at MRHS. The object is to fry an egg.

The machine starts when James calls Alex's cell phone. The phone vibrates and pushes a marble down the marble raceway, knocking the small weight into the cup and causing the cup to fall down. When the cup falls it pulls a string on a pulley which lifts the end of the ramp. The golf ball rolls down the ramp, strikes the red cart, and the cart rolls forward, colliding with the ring stand. This releases the bacci ball which hits another bacci ball and pushes a marble down another ramp. this ball sets off the mousetrap of death, (mousetrap with x-acto blade attached) and cuts the string, dropping a weight and removing the popsicle stick from the metal cart, allowing it to roll down yet another ramp. As it rolls down, it pulls a string, and a series of pulleys and levers relays this force to a dropper filled with sulfuric acid. The acid drips onto a candle covered with potassium chlorate and ignites the candle. The candle lights the sparklers and simultaneously burns through the string above it, allowing a weight to fall and twist the knob on the electric burner. after the sparklers burn down, the string holding up the guillotine burns through, dropping it and cracking the egg. The egg shells are pulled apart by two large weights, and the inside part drops directly into the frying pan.

Students involved in designing the machine are Alex Ball, Brian Murphy, James Toye, Steve Nikiforakis, Kate Swider, Mia Hulslander, Tom Nason, and Gawain Thomas.

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